SMC Networks LEY series User manual

Motor Replacement

Product Name

Electric Actuator / Rod Type

Model/Series

LEY Series

Applicable model: LEY*，LEYG*

Document No.: LEY-MM00102

LEY Series

(Rod type) LEYG Series

(Guide rod type)

Maintenance Manual

Revision history

Rev.

symbol Date of

change Details of the changes Approved Person

in charge Remarks

-2-

Contents

1. How to Replace the Motor (Parallel Mounting Type)………………………..p 3

2. How to Replace the Motor (Straight Type)……………………………………p 5

3. Motor Assembly No. (Order No. for Replacement Motor)………………….p 7

-3-

1. How to Replace the Motor (Parallel Mounting Type)

1-1. Motor Removal Procedure

* Tools required are a hexagon wrench set and a Phillips screwdriver.

1. Remove the cover and grommet. (For motor option "with cover" or "with lock cover" only.)

2. Remove the four screws, then remove the pulley plate.

3. Loosen the motor fixing screws (2 pcs.), then remove the belt and motor.

* For actuator size 32/40, hold the hexagon nuts with a spanner while loosening the screws.

4. Remove the motor cover and the grommet. (For motor option "with lock cover" only.)

Motor cover

Lift the cover hook up

by inserting a suitable

object such as a cable

tie. (Thickness:

Approx. 1.0 mm) Motor cover

Grommet

Screw

For size 16/25

Belt

For size 32/40

Screw Belt

Screw

Hexa

on nut

Motor cover with lock

Grommet

-4-

1-2. Motor Replacement Procedure

1. Mount the grommet onto the lock cable, then mount the motor cover with lock onto the motor.

(For motor option "with lock cover" only.)

2. Mount the motor with screws (2 pcs.) temporarily to assemble the belt.

* For size 32/40, hold the hexagon nuts with a spanner when tightening the screws.

3. Pull the base of the motor with a cord or a long cable tie.

With a tensile force applied, tighten the screws which secure the motor.

4. Secure the pulley plate using the four screws.

5. Mount the grommet, then mount the motor cover onto the motor.

(For motor option "with cover" or "with lock cover" only.)

Size Replacement

Belt part No. Tensile

force (N) Screw size Tightening

torque (Nm)

16 LE-D-2-1 10 M2.6 (Step motor)

M2.5 (Servo motor)

M2.6 (Motor with lock)

0.36

25 LE-D-2-2 19 M3 0.63

32/40 LE-D-2-3 30 M4 1.5

Size Screw size Tightening torque

(Nm)

16 M3 0.63

25 M4 1.5

32/40 M6 5.2

For size 16/25

Belt

For size 32/40

Screw

Belt

Screw

Hexa

on nut

* For size 32/40, hold the motor side nuts with a spanner, then tighten the

screws.

Screw

Pulley plate

Grommet

Motor cover

Tension adjustment example

Grommet

Lock cable

Motor cover with lock

Tensile force

-5-

2. How to Replace the Motor (Straight Type)

2-1. Motor Removal Procedure

* Tools required are a hexagon wrench set and a Phillips screwdriver.

1. Remove the cover and grommet. (For motor option "with cover" or "with lock cover" only.)

2. Remove the two hexagon set screws. (For size 16/25)

Remove the two screws. (For size 32/40)

3. Remove the two screws which secure the motor and the motor adapter. (For size 16/25 only)

4. Remove the motor cover with lock, cover support and grommet.

(For motor option "with lock cover" only.)

Motor cover

Lift the cover hook up

by inserting a suitable

object such as a cable

tie. (Thickness:

Approx. 1.0 mm)

Grommet

Motor cover

Grommet

For size 16/25 For size 32/40

Screw

Set screw

* If it is difficult to remove the

screw due to adhesion, apply

heat to remove it.

Screw

Motor adapter

Grommet

Cover support

Motor cover with lock

-6-

2-2. Motor Replacement Procedure

1. Mount the grommet onto the lock cable, then mount the motor cover with lock and cover support

onto the motor. (For motor option "with lock cover" only.)

2. Mount the motor and motor adapter with two screws temporarily, then apply the final tightening

torque. (For size 16/25 only)

3. Secure the motor adapter using the two hexagon set screws. (For size 16/25)

Secure the motor using the two screws. For size 32/40

4. Mount the grommet, then mount the motor cover onto the motor.

(For motor option "with cover" or "with lock cover" only.)

Size Screw size Tightening torque

(Nm)

16 M2.6 (Step motor)

M2.5 (Servo motor)

M2.6 (Motor with lock)

0.36

25 M3 0.63

Size Screw size Tightening

torque (Nm)

16 M2.6 (Step motor)

M2.5 (Servo motor)

M2.6 (Motor with lock)

0.63

25 M3 1.5

32/40 M4 1.5

Grommet

Cover support

Motor cover with lock

Lock cable

Screw

Motor adapter

For size 32/40

Screw

Motor cover

Grommet

Set screw

Motor adapter

For size 16/25

-7-

3. Motor Assembly No. (Order No. for Replacement Motor)

3-1. Motor Assembly No. (Parallel Mounting Type)

List of included items

P Step motor (servo 24 VDC)

A Servo motor (24 VDC) For size 16/25 only

16 LEY16/LEYG16

25 LEY25/LEYG25

32 LEY32/40/LEYG32/40

Nil No

No. Part name Qty. Remarks

1 Motor with pulley 1

2 Motor mounting

screw 2

3 Hexagon nut 2 For size 32/40 only

ＬＥＹ M R

(2) (3)

(1)

(2) Size (3) Motor o

tion

(1) Motor type

-8-

3-2. Motor Assembly No. (Straight Type)

List of included items

P Step motor (servo 24 VDC )

A Servo motor (24 VDC) For size 16/25 only

16 LEY16/LEYG16

25 LEY25/LEYG25

32 LEY32/40/LEYG32/40

Nil No

No. Part name Qty. Remarks

1 Motor with hub 1

2 Motor mounting

screw 2

ＬＥＹ M Ｄ

(2) (3)

(1)

(2) Size

(

)

Motor o

tion

(1) Motor type

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